Ballpoint pen



FIG. 1 is a perspective view of a ballpoint pen showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is bottom plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a left side elevation view thereof;

FIG. 8 is a bottom plan view thereof with the tip shown extended; and,

FIG. 9 is a sectional view taken along line 9—9 in FIG. 4.

The ornamental design for a ballpoint pen, as shown and described.